Discrete dipole approximation in time domain through the Laplace transform
- Publication Type:
- Journal Article
- Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 2013, 88 (6)
- Issue Date:
We present a form of the discrete dipole approximation for electromagnetic scattering computations in time domain. We show that the introduction of complex frequencies, through the Laplace transform, significantly improves the computation time. We also show that the Laplace transform and its inverse can be combined to extract the field inside a scatterer at a real resonance frequency. © 2013 American Physical Society.
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